Lincoln Parish Waterworks District #1
EPA ID: LA1061009 · 570 people served · 1 ZIP code
For the full five-year period covered by EPA monitoring, Lincoln Parish Waterworks District #1 has supplied tap water to 570 residents with no violations of any type on record.
Data: EPA SDWIS Last verified: 2026-04-02
Compliance Trajectory
Worsening · Risk tier: High · 95% chance of violation in next 12 months
Violations went from 7 (2024) to 8 (2025). The pattern suggests growing compliance challenges.
Service Area Map
Coverage area for Lincoln Parish Waterworks District #1 Source: EPA SDWIS service area boundaries.
Service area boundary
Service Area Demographics
The Lincoln Parish Waterworks District #1 serves a community with a median household income of $50,417 and an estimated 3,979 residents across its service area. Approximately 60% of housing stock was built before 1986, which increases the likelihood of lead service lines and older plumbing.
Environmental Justice Note: 40% of the population in this service area is classified as disadvantaged under EPA's EJScreen criteria. Communities with higher disadvantaged populations often face disproportionate environmental and health burdens, including aging water infrastructure and limited resources for remediation.
💧 Where Does Your Water Come From?
Lincoln Parish Waterworks District #1's water is pumped from underground aquifers. Groundwater is naturally filtered through rock and soil, but it can be vulnerable to PFAS contamination, nitrates from agriculture, and industrial chemicals that seep into the water table.
About 2% of homes in Lincoln Parish, Louisiana rely on private wells rather than public water systems. Private well owners are responsible for their own water testing and treatment.
Infrastructure Risk
Comparable Water Systems
Similar-sized systems in Louisiana
Estimated Remediation Costs
Average estimated costs across ZIP codes served by this system
Based on national averages for common remediation projects. Actual costs vary by property. Only issues flagged by EPA, FEMA, or state data for each ZIP code are included.
System Overview
Lincoln Parish Waterworks District #1 (EPA ID: LA1061009) is a community water system in Louisiana that serves approximately 570 people from groundwater sources.
This system serves ZIP code 71235 in Dubach.
Violation History
Lead & Copper
No Lead and Copper Rule sampling data available for this water system.
Need help with your water quality?
Typical cost: Water test: typically $20–$50 (DIY kit) · Professional inspection: $150–$400
Find the Right Water FilterFree tip: Let cold water run for 2 minutes before drinking — this helps flush lead from your pipes.
ZIP Codes Served
- 71235 — Dubach
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View the full compliance record for Lincoln Parish Waterworks District #1 (LA1061009) on EPA.gov.
Frequently Asked Questions
Is Lincoln Parish Waterworks District #1 water safe to drink?
Based on EPA records, Lincoln Parish Waterworks District #1 has no recorded violations in the past 5 years — a positive indicator of water quality management.
How many people does Lincoln Parish Waterworks District #1 serve?
Lincoln Parish Waterworks District #1 serves approximately 570 people across 1 ZIP code in Louisiana.
Where does Lincoln Parish Waterworks District #1 get its water?
The primary water source is groundwater.
Contact Your Water Utility
Public-record contact information for the water utility serving this system. Use these channels to request water quality reports, ask about service, or report issues directly.
Contact information from Lincoln Parish Waterworks District #1 Consumer Confidence Report.
ZipCheckup is not affiliated with this water utility, does not act as its agent, and does not provide customer support for it. Contact details shown are public-record information from CCR filings. For service issues, contact the utility directly using the information above.
Water Source & Treatment
Where this water originates and how it's treated before reaching your tap.
Source: Lincoln Parish Waterworks District #1 Consumer Confidence Report.
ZipCheckup is not affiliated with this water utility. Treatment and source data are sourced from the utility's published CCR filings.
Lead Service Line Inventory
Service line breakdown reported under the federal Lead and Copper Rule Improvements (LCRI) inventory requirement:
This system reports zero confirmed lead service lines in its inventory. Unknown-material counts may still warrant verification.
Federal LCRI rule (effective October 2024) requires every public water system to inventory its service lines and complete lead-line replacement within 10 years.
Source: EPA SDWIS Federal Service Line Inventory (Phase 2) · Submitted 2026
ZipCheckup is not affiliated with the utility or state agency. Inventory figures render verbatim from the public LCRI submission cited above; ZipCheckup does not perform inspections or replacements.
Notable events and violations
This section summarizes events the utility chose to disclose in its most recent Consumer Confidence Report, plus any federal compliance violations the utility recorded against itself. Both lists are utility-authored — ZipCheckup does not audit, judge, or reorder them.
Federal compliance violations on record
These entries are taken verbatim from the utility's CCR violations section. EPA defines four broad violation categories: Maximum Contaminant Level (MCL), Treatment Technique (TT), Monitoring & Reporting (M&R), and Public Notification (PN).
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MCL_LRAA · TTHM1/1/2024 - 12/31/2024
TTHM MCL exceeded in 3 of 4 quarters; highest LRAA 83 ppb (MCL=80). Some people who drink water containing trihalomethanes in excess of the MCL over many years may experience problems with their liver, kidneys, or central nervous systems, and may have an increased risk of getting cancer.
Violations record from Lincoln Parish Waterworks District #1 Consumer Confidence Report.
Notable events from the utility's CCR
These bullet entries are the utility's own narration of operational, regulatory, or infrastructure events during the reporting period.
- TTHM violation: 83 ppb vs. 80 ppb MCL
- Chloride 111 mg/L — elevated
ZipCheckup note: items above reflect what the utility published in its most recent CCR. Federal violation records are also tracked separately by the EPA Safe Drinking Water Information System (SDWIS) — the SDWIS record is the authoritative federal source for any specific regulatory action.